Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:17:09 2013

Optimize a model with 61698 rows, 60918 columns and 243438 nonzeros
Presolve removed 3872 rows and 0 columns
Presolve time: 0.40s
Presolved: 57826 rows, 60918 columns, 235694 nonzeros
Variable types: 60840 continuous, 78 integer (78 binary)

Root relaxation: objective 9.531763e+04, 14165 iterations, 3.26 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 95317.6345    0    5          - 95317.6345     -      -    3s
H    0     0                    100948.00000 95317.6345  5.58%     -    4s
     0     0 95320.3859    0    7 100948.000 95320.3859  5.57%     -    4s
     0     0 95321.0422    0    8 100948.000 95321.0422  5.57%     -    5s
     0     0 95321.0961    0    7 100948.000 95321.0961  5.57%     -    5s
H    0     0                    99676.654898 95321.0961  4.37%     -    7s
H    0     0                    96778.590845 95321.0961  1.51%     -    7s
H    0     0                    95688.000000 95321.0961  0.38%     -    7s
     0     0 95321.0961    0    5 95688.0000 95321.0961  0.38%     -   10s
     0     0 95322.4385    0    7 95688.0000 95322.4385  0.38%     -   10s
     0     0 95322.4385    0    7 95688.0000 95322.4385  0.38%     -   10s
     0     0 95328.2345    0    6 95688.0000 95328.2345  0.38%     -   11s
     0     2 95340.0160    0    6 95688.0000 95340.0160  0.36%     -   12s

Cutting planes:
  Gomory: 2
  Flow cover: 4

Explored 15 nodes (22036 simplex iterations) in 13.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.568800000000e+04, best bound 9.568800000000e+04, gap 0.0%